For the 2026 school year, there are 2 private schools serving 464 students in South Boston, MA (there are 6 public schools, serving 1,720 public students). 21% of all K-12 students in South Boston, MA are educated in private schools (compared to the MA state average of 12%).
The top-ranked private school in South Boston, MA is South Boston Catholic Academy.
50% of private schools in South Boston, MA are religiously affiliated (most commonly Catholic).
Top-Ranked South Boston Private Schools (2026)
School
Location
Quick Facts
866 E Broadway
South Boston, MA 02127
(617) 268-2326
South Boston, MA 02127
(617) 268-2326
Gr: K-6 | 386 students Avg. class size: 17 students Sports: 2 | Extracurrculars: 8 Tuition listed
371 W 4th St
South Boston, MA 02127
(617) 268-0750
South Boston, MA 02127
(617) 268-0750
Gr: NS-6 | 78 students Avg. class size: 10 students Extracurrculars: 6 Tuition listed
South Boston, Massachusetts Private Schools (Closed)
School
Location
Quick Facts
609 E 4th Street
South Boston, MA 02127
(617) 268-8431
South Boston, MA 02127
(617) 268-8431
Gr: PK-8 | 303 students
St. Mary School (Closed 2006)
Special Program Emphasis (Catholic)
52 Boston Street
South Boston, MA 02127
(617) 268-3766
South Boston, MA 02127
(617) 268-3766
Gr: K-8 | 183 students
Overview
This Town (South Boston)
This State (MA)
# Schools
2 Schools
Student Body:
# Students
464 Students
126,979 Students
% Average Students of Color
15%
31%
Academics and Faculty:
# Teachers
74 Teachers
15,736 Teachers
Average Student-Teacher Ratio
6:1
8:1
% Average Faculty w/Advanced Degree
29%
67%
Average Class Size
14 students
14 students
Average Number of AP Courses
15 courses
16 courses
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$5,888
$26,435
Students by Ethnicity:
Diversity Score
0.30
0.63
# American Indian Students
n/a
187 Students
% American Indian Students
n/a
n/a
# Asian Students
9 Students
6,792 Students
% Asian Students
2%
5%
# Hispanic Students
14 Students
7,581 Students
% Hispanic Students
2%
6%
# Black Students
9 Students
8,702 Students
% Black Students
2%
7%
# White Students
437 Students
67,960 Students
% White Students
83%
55%
# Hawaiian Students
5 Students
83 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
53 Students
33,470 Students
% of Others Students
10%
27%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
7 extracurriculars
13 extracurriculars
Average Number of Sports
2 sports
9 sports
Frequently Asked Questions
What are the top-ranked private schools in South Boston, MA?
The top-ranked private schools in South Boston, MA is South Boston Catholic Academy.
How many private schools are located in South Boston?
2 private schools are located in South Boston.
What percentage of students in South Boston go to private school?
21% of all K-12 students in South Boston are educated in private schools (compared to the MA state average of 12%).
What percentage of private schools are religiously affiliated in South Boston?
50% of private schools in South Boston are religiously affiliated (most commonly Catholic).
Recent Articles
How to Stress-Test a Private School Budget Before Enrolling
Learn how to stress-test a private school budget before enrolling and avoid financial surprises that can affect your family's long-term plans.
When “Affordable Private School” Means Fewer Services
Learn what families may sacrifice when choosing an affordable private school and how to evaluate whether lower tuition still delivers long-term value.
Voucher Eligibility Fine Print Parents Miss
Learn the hidden voucher eligibility rules that can affect school choice decisions and how parents can avoid common application mistakes.